Dorman - First Stop Drum Brake Wheel Cylinder P/N:W619012
Push your brake shoes out against the drum with the Dorman drum brake wheel cylinder W37961 from the First Stop line, a rear right unit that turns hydraulic pressure from the master cylinder into shoe movement. It fits many vehicles, among them the 2002-2007 Suzuki Aerio, 1995-2002 Suzuki Esteem and 1995-1996 Geo Metro. See the Buyer's Guide tab for the full list and engine details.
Dorman engineered this direct-replacement wheel cylinder to match the fit, function and performance of the original on the listed applications, and each one is manufactured and tested for quality assurance.
A leaking or sticking wheel cylinder can show up as brake fluid at the drum or backing plate, fluid-soaked shoes, a soft pedal or a falling fluid level. Diagnose the cause before replacing parts. This listing is for one rear right wheel cylinder, and replacing both sides together is recommended. Bleed the brake system after installation, following the vehicle service information.
Interchange: 84-02003 · 84-10016 · 101-1331 · W-50016 · W-58003 · 072-8532 · 134.48016 · 135.48016 · 375-50006
8402003 · 8410016 · 1011331 · W50016 · W58003 · 0728532 · 13448016 · 13548016 · 37550006 · 18E374 · W906707 · P3608 · 34106 · WC250320 · WC250340 · 4755087707000 · 91173566 · 96066567 · WC37961 · 5340163B00 · F139978 · WC139978
This part cross-references / interchanges with the following part numbers:
What does a drum brake wheel cylinder do?
It takes hydraulic pressure from the master cylinder and pushes the brake shoes outward against the drum. Dorman W37961 is cataloged for the rear right position.
Will this wheel cylinder fit a 2002-2007 Suzuki Aerio?
It is listed for the 2002-2007 Suzuki Aerio, along with the 1995-2002 Suzuki Esteem and 1995-1996 Geo Metro. Check the Buyer's Guide tab for your exact vehicle.
What are the cups and boots made of?
Dorman uses EPDM rubber for the cups and boots. The cylinder bores are surface-tested to give the pressure cups a proper sealing surface.
What are signs a wheel cylinder may need replacing?
Brake fluid at the drum or backing plate, wet shoes, a soft pedal or a falling fluid level may be signs of a leaking wheel cylinder. Diagnose the cause before replacing parts.
Is it sold individually?
Yes. This listing is for one rear right wheel cylinder. Replacing both sides together during a drum brake service is recommended, and the brakes must be bled after installation.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.